PLN95.5 (PLN-4.5)

For the manufacture of discontinuous and sliding contacts

Classification

Country	Section	Category
Country	Section	Category
CIS, Russia, Ukraine	Precious metals	Platinum, platinum alloy

Chemical composition

Standard	Fe, %	Ni, %	Pt, %	Pd + Ir + Rh + Au, %
Standard	Fe, %	Ni, %	Pt, %	Pd + Ir + Rh + Au, %
GOST 13498 - 2010	< 0.04	4.1–4.9	94.86–95.9	< 0.2

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Physical characteristics

Temperature, °C	$\rho$ , $\frac{kg}{m^3}$	$R\cdot 10^{-6}$ , $\Omega\cdot m$
Temperature, °C	$\rho$ , $\frac{kg}{m^3}$	$R\cdot 10^{-6}$ , $\Omega\cdot m$
20	20170	220

Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	Treatment
The wire is soft.	GOST 18389-73	0.2–0.5			500–650
Wire is hard.	GOST 18389-73	0.2–0.5			900–1300

Casting and technological parameters

melting point, °C
melting point, °C
1700–1750

Standards

Standard	Description
Standard	Description
GOST 13498 - 2010

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Fe	%	Iron
Pd + Ir + Rh + Au	%	Palladium + Iridium + Rhodium + Gold
Ni	%	Nickel
Pt	%	Platinum

Description of physical characteristics

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
$\rho$	$\frac{kg}{m^3}$	The density of the material
$R\cdot 10^{-6}$	$\Omega\cdot m$	Electrical resistivity

Description of mechanical properties

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
$\sigma _{U}$	$MPa$	Ultimate tensile strength

Description of the casting and technological parameters

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
melting point	°C	The temperature at which solid crystalline body makes the transition to the liquid state and Vice versa